<div class="form-login">
	<div class="header_login">
	</div>
	<div class="body_login">
	<form role="form">
	<div class="form-group">
		<label for="username">Tên đăng nhập</label>
		<input type="text" id="username"  class="form-control">
	</div>
	<div class="form-group">
    <label for="pwd">Password:</label>
    <input type="password" class="form-control" id="pwd">
  </div>
		
	</form>
	</div>
	
</div>
<?php $options = array(
                  'small'  => 'Small Shirt',
                  'med'    => 'Medium Shirt',
                  'large'   => 'Large Shirt',
                  'xlarge' => 'Extra Large Shirt',
                );

$shirts_on_sale = array('small', 'large');

echo form_dropdown('shirts', $options, 'large');

// Would produce:
?>

<style>
body{

}
.form-login
{

	border-radius:3px;
	box-shadow: 5px 5px 5px #888888;
	top:50%;
	left:50%;
	position: absolute;
	max-width:200px;
	width:20%;

}
.header_login
{
	max-width:200px;
	width:100%;
	height:30px;
	position:relative;
	background-color:red;
}
</style>